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Finding the Third Proportional to 98,534 and 213,530

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Solution

The third proportional to 98,534 and 213,530 is: 462,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,534 : 213,530 = 213,530 : x
  2. Step 2: Convert to fraction form
    98,534/213,530 = 213,530/x
  3. Step 3: Cross multiply
    98,534x = 213,530 × 213,530
  4. Step 4: Simplify right side
    98,534x = 45,595,060,900
  5. Step 5: Solve for x
    x = 45,595,060,900/98,534
  6. Step 6: Final answer
    x = 462,734.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.